What You Will BuildĪs mentioned before, in this article, you will start from scratch (i.e., from an empty directory), then you will go through all the steps needed to build a secure RESTful API. If you don't have these, please, follow the instructions over here.
Other than that, you will need to have Node.js and NPM installed in your machine. Although it would be ideal to know a bit about Node.js, you will see that the code and the concepts explained in this article are not complex. If you do have previous experience with JavaScript, but you haven't used Node.js, don't worry, you won't have a hard time here.
If you have never used JavaScript before (even for frontend development), you might not understand the article well and it might make sense to learn about it first. Use the feedback form below to ask questions or share your comments with us.To follow along with this article, you will need to have prior knowledge around JavaScript. That’s all! Node Version Manager is a simple bash script to manage multiple active node.js versions on your Linux system. Then use some of the commands we have just looked at above to operate with the specified version in the file.įor more information, see nvm -help or go to the Node Version Manager Github repository. nvmrc initialization file in your project root directory (or any parent directory) and add a node version number or any other flags or usage options that nvm understands, in it. # nvm which system #check system-installed version of a node using “system” aliasįurthermore, to manually set a default node version to be used in any new shell, use the alias “default” as shown. Importantly, you can view the path to the executable to where a specific node version was installed as follows: # nvm which 10.15.3 You can use a node.js version in any new shell as shown: # nvm use node #use defaultĪlternatively, simply run a node version as shown (to exit, press ^C). You can check all installed version with the following command: # nvm ls To install a specific “node” version, first list the available node versions and then install the version as shown. Note that in the above command, “node” is an alias for the latest version. To download, compile, and install the latest release of node, run the following command: # nvm install node Now it is time to learn how to use Node Version Manager in Linux. It will show output as ‘ nvm‘ if the installation was successful.
Next, verify if the nvm has been installed on your system using the following command. The above auto-install script clones the nvm repository to ~/.nvm in your home directory and adds the required source commands to your shell startup scripts i.e ~/.bash_profile, ~/.zshrc, ~/.profile, or ~/.bashrc, depending on the shell program you are using as shown in the following screenshot.
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